cost/benefit study of the impacts of potential nutrient controls for ...
cost/benefit study of the impacts of potential nutrient controls for ...
cost/benefit study of the impacts of potential nutrient controls for ...
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Regulatory Approach<br />
• CDPHE proposes to adopt two regulations to establish<br />
<strong>nutrient</strong> <strong>controls</strong><br />
– Regulation 31 – Establishes interim instream TIN, TP, and<br />
chlorophyll a (Chl a) values <strong>for</strong> streams, rivers, lakes and<br />
reservoirs<br />
• Interim values will not be used <strong>for</strong> adoption <strong>of</strong> water quality<br />
standards except in specific circumstances (e.g., concerns<br />
regarding water supply in specific lakes and reservoirs) prior to<br />
May 2017 <strong>for</strong> TP and Chl a and May 2022 <strong>for</strong> TIN.<br />
– Regulation 85 – Establishes <strong>nutrient</strong> control requirements <strong>for</strong><br />
POTWs that vary depending on facility size and type and<br />
whe<strong>the</strong>r <strong>the</strong> facility is existing or new as <strong>of</strong> May 2012<br />
Colorado Nutrient Cost/Benefit Study<br />
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